CVE-2026-59853 Missing authorization in siyuan
A missing authorization check in SiYuan's publish mode allows readers to access private saved search criteria and document metadata.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-59853?
CVE-2026-59853 is a medium-severity missing authorization vulnerability in siyuan-note siyuan, published on 9 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
SiYuan is an open-source personal knowledge management system. Prior to 3.7.1, the /api/storage/getCriteria endpoint returns saved search criteria from data/storage/criteria.json without the publish-access filtering used by sibling storage endpoints, allowing a publish-mode Reader to read private document paths, notebook, document, and block IDs, and search and replace keywords for unpublished documents. This issue is fixed in versions 3.7.1.
Weakness: CWE-862
Which versions are affected by CVE-2026-59853?
How do I fix CVE-2026-59853?
No fix has been published for CVE-2026-59853 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-59853 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-59853 exists.
Sources
Also known as GHSA-px3c-cf92-9g83.